The system concept of the digital teaching platform echoes the trend of digital learning in recent years, opening up resources and connecting with the community. Through the E3 platform, teachers and students can flexibly establish teaching activities with curriculum characteristics and enhance the interaction on the platform. Each course and unit is no longer limited to a flat and undifferentiated standard framework, and then different needs can be added. Activity module into the course. The E3 platform will adjust the characteristics of the display structure according to different vehicles, which is also very convenient for users. The concise and refreshing style also helps to enhance the depth and effect of self-learning.